Finding the Fourth Proportional to 122,556.60, 183,840.30 and 69,247.80
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Solution
The fourth proportional to 122,556.60, 183,840.30 and 69,247.80 is: 103,874.75
Step by Step Solution
- Step 1: Write the proportion equation
122,556.60 : 183,840.30 = 69,247.80 : x - Step 2: Convert to fraction form
122,556.60/183,840.30 = 69,247.80/x - Step 3: Cross multiply
122,556.60x = 183,840.30 × 69,247.80 - Step 4: Simplify right side
122,556.60x = 12,730,536,326.34 - Step 5: Solve for x
x = 12,730,536,326.34/122,556.60 - Step 6: Final answer
x = 103,874.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.